Introduzione

This simple guide will show you how to make a Micro-SIM to SIM adapter out of the old SIM card in the iPhone 2G to the iPhone 3GS, so you can use your new iPhone 4 Micro-SIM in older devices. This process destroys the old SIM-Card. Luckily when you buy a new iPhone 4 they give you a new SIM and deactivate the old one, making the old one useless.

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It can be difficult to control the knife when applying enough force to cut through the plastic, so I recommend going lightly for the first couple of times to make a groove. Once you have a properly-shaped groove, go back and apply more force to cut through the plastic. You can also drill 5 pilot holes using a fine drill bit at the vertices. This also helps to guide the knife.

To get a very clean cut you can try heating the tip of the exacto knife with a small lighter torch or even Cigarette Lighter. The hot Exacto blade will easily score into the sim card this way but you may need to heat it several times as it looses heat very quickly.

When you are nearly done, flip the SIM-Card over. You should be able to see the outline of the cutout you made on the top side. For a cleaner result, finish cutting the slot from the bottom side.

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I just did this with the miniSIM card from my iPhone 4 (ATT) to my iPhone 3GS. First time it was not sucessful, so I pulled it out and repositioned the miniSIM card and it worked perfectly! (Note: In regards to the first post, this method does DESTROY the full size SIM card, but if you are taking these steps this card is MOST LIKELY deactivated and thus garbage. In no way *should* this harm the miniSIM card.)

hahahaha...this is the awesomest and most creative post in the concentrated niche ....... how cm this post is not all over the internet than sim adapters ....and thank you by all heart for telling me this simple trick.....now i wont waste time searching and ordering sim adapters